20553184

素因数分解:

$2^5\times {\mathrm{157}}^1\times {\mathrm{4091}}^1$

素因数の和:4258

約数の個数: 24

約数和(自身を含む): 40731768

約数和(自身を除く): 20178584

約数列:

[1, 2, 4, 8, 16, 32, 157, 314, 628, 1256, 2512, 4091, 5024, 8182, 16364, 32728, 65456, 130912, 642287, 1284574, 2569148, 5138296, 10276592, 20553184]

約数ペア:

[(1, 20553184), (2, 10276592), (4, 5138296), (8, 2569148), (16, 1284574), (32, 642287), (157, 130912), (314, 65456), (628, 32728), (1256, 16364), (2512, 8182), (4091, 5024)]